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-rw-r--r--arch/sparc64/kernel/pci.c12
-rw-r--r--arch/sparc64/kernel/pci_fire.c39
-rw-r--r--arch/sparc64/kernel/pci_impl.h2
-rw-r--r--arch/sparc64/kernel/pci_psycho.c107
-rw-r--r--arch/sparc64/kernel/pci_sabre.c31
-rw-r--r--arch/sparc64/kernel/pci_schizo.c256
-rw-r--r--arch/sparc64/kernel/pci_sun4v.c47
7 files changed, 184 insertions, 310 deletions
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 966861b212be..c17723fb1c31 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -48,7 +48,7 @@ asmlinkage int sys_pciconfig_write(unsigned long bus, unsigned long dfn,
48#else 48#else
49 49
50/* List of all PCI controllers found in the system. */ 50/* List of all PCI controllers found in the system. */
51struct pci_controller_info *pci_controller_root = NULL; 51struct pci_pbm_info *pci_pbm_root = NULL;
52 52
53/* Each PCI controller found gets a unique index. */ 53/* Each PCI controller found gets a unique index. */
54int pci_num_controllers = 0; 54int pci_num_controllers = 0;
@@ -291,7 +291,7 @@ extern const struct pci_iommu_ops pci_sun4u_iommu_ops,
291 291
292/* Find each controller in the system, attach and initialize 292/* Find each controller in the system, attach and initialize
293 * software state structure for each and link into the 293 * software state structure for each and link into the
294 * pci_controller_root. Setup the controller enough such 294 * pci_pbm_root. Setup the controller enough such
295 * that bus scanning can be done. 295 * that bus scanning can be done.
296 */ 296 */
297static void __init pci_controller_probe(void) 297static void __init pci_controller_probe(void)
@@ -776,10 +776,10 @@ struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm)
776 776
777static void __init pci_scan_each_controller_bus(void) 777static void __init pci_scan_each_controller_bus(void)
778{ 778{
779 struct pci_controller_info *p; 779 struct pci_pbm_info *pbm;
780 780
781 for (p = pci_controller_root; p; p = p->next) 781 for (pbm = pci_pbm_root; pbm; pbm = pbm->next)
782 p->scan_bus(p); 782 pbm->scan_bus(pbm);
783} 783}
784 784
785extern void power_init(void); 785extern void power_init(void);
@@ -787,7 +787,7 @@ extern void power_init(void);
787static int __init pcibios_init(void) 787static int __init pcibios_init(void)
788{ 788{
789 pci_controller_probe(); 789 pci_controller_probe();
790 if (pci_controller_root == NULL) 790 if (pci_pbm_root == NULL)
791 return 0; 791 return 0;
792 792
793 pci_scan_each_controller_bus(); 793 pci_scan_each_controller_bus();
diff --git a/arch/sparc64/kernel/pci_fire.c b/arch/sparc64/kernel/pci_fire.c
index 79ee5be948eb..f55c08ae0aa0 100644
--- a/arch/sparc64/kernel/pci_fire.c
+++ b/arch/sparc64/kernel/pci_fire.c
@@ -160,21 +160,9 @@ static struct pci_ops pci_fire_ops = {
160 .write = fire_write_pci_cfg, 160 .write = fire_write_pci_cfg,
161}; 161};
162 162
163static void pbm_scan_bus(struct pci_controller_info *p, 163static void pci_fire_scan_bus(struct pci_pbm_info *pbm)
164 struct pci_pbm_info *pbm)
165{ 164{
166 pbm->pci_bus = pci_scan_one_pbm(pbm); 165 pbm->pci_bus = pci_scan_one_pbm(pbm);
167}
168
169static void pci_fire_scan_bus(struct pci_controller_info *p)
170{
171 struct device_node *dp;
172
173 if ((dp = p->pbm_A.prom_node) != NULL)
174 pbm_scan_bus(p, &p->pbm_A);
175
176 if ((dp = p->pbm_B.prom_node) != NULL)
177 pbm_scan_bus(p, &p->pbm_B);
178 166
179 /* XXX register error interrupt handlers XXX */ 167 /* XXX register error interrupt handlers XXX */
180} 168}
@@ -313,7 +301,7 @@ static void pci_fire_hw_init(struct pci_pbm_info *pbm)
313} 301}
314 302
315static void pci_fire_pbm_init(struct pci_controller_info *p, 303static void pci_fire_pbm_init(struct pci_controller_info *p,
316 struct device_node *dp, u32 portid) 304 struct device_node *dp, u32 portid)
317{ 305{
318 const struct linux_prom64_registers *regs; 306 const struct linux_prom64_registers *regs;
319 struct pci_pbm_info *pbm; 307 struct pci_pbm_info *pbm;
@@ -323,6 +311,11 @@ static void pci_fire_pbm_init(struct pci_controller_info *p,
323 else 311 else
324 pbm = &p->pbm_B; 312 pbm = &p->pbm_B;
325 313
314 pbm->next = pci_pbm_root;
315 pci_pbm_root = pbm;
316
317 pbm->scan_bus = pci_fire_scan_bus;
318
326 pbm->portid = portid; 319 pbm->portid = portid;
327 pbm->parent = p; 320 pbm->parent = p;
328 pbm->prom_node = dp; 321 pbm->prom_node = dp;
@@ -354,19 +347,11 @@ void fire_pci_init(struct device_node *dp, const char *model_name)
354 struct pci_controller_info *p; 347 struct pci_controller_info *p;
355 u32 portid = of_getintprop_default(dp, "portid", 0xff); 348 u32 portid = of_getintprop_default(dp, "portid", 0xff);
356 struct iommu *iommu; 349 struct iommu *iommu;
350 struct pci_pbm_info *pbm;
357 351
358 for (p = pci_controller_root; p; p = p->next) { 352 for (pbm = pci_pbm_root; pbm; pbm = pbm->next) {
359 struct pci_pbm_info *pbm;
360
361 if (p->pbm_A.prom_node && p->pbm_B.prom_node)
362 continue;
363
364 pbm = (p->pbm_A.prom_node ?
365 &p->pbm_A :
366 &p->pbm_B);
367
368 if (portid_compare(pbm->portid, portid)) { 353 if (portid_compare(pbm->portid, portid)) {
369 pci_fire_pbm_init(p, dp, portid); 354 pci_fire_pbm_init(pbm->parent, dp, portid);
370 return; 355 return;
371 } 356 }
372 } 357 }
@@ -387,12 +372,8 @@ void fire_pci_init(struct device_node *dp, const char *model_name)
387 372
388 p->pbm_B.iommu = iommu; 373 p->pbm_B.iommu = iommu;
389 374
390 p->next = pci_controller_root;
391 pci_controller_root = p;
392
393 p->index = pci_num_controllers++; 375 p->index = pci_num_controllers++;
394 376
395 p->scan_bus = pci_fire_scan_bus;
396 /* XXX MSI support XXX */ 377 /* XXX MSI support XXX */
397 p->pci_ops = &pci_fire_ops; 378 p->pci_ops = &pci_fire_ops;
398 379
diff --git a/arch/sparc64/kernel/pci_impl.h b/arch/sparc64/kernel/pci_impl.h
index 41c3f5137306..3dd6d02b2d81 100644
--- a/arch/sparc64/kernel/pci_impl.h
+++ b/arch/sparc64/kernel/pci_impl.h
@@ -11,7 +11,7 @@
11#include <asm/io.h> 11#include <asm/io.h>
12#include <asm/prom.h> 12#include <asm/prom.h>
13 13
14extern struct pci_controller_info *pci_controller_root; 14extern struct pci_pbm_info *pci_pbm_root;
15extern unsigned long pci_memspace_mask; 15extern unsigned long pci_memspace_mask;
16 16
17extern int pci_num_controllers; 17extern int pci_num_controllers;
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 0f35135a40c5..4801eb441236 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -265,12 +265,12 @@ static unsigned long stc_error_buf[128];
265static unsigned long stc_tag_buf[16]; 265static unsigned long stc_tag_buf[16];
266static unsigned long stc_line_buf[16]; 266static unsigned long stc_line_buf[16];
267 267
268static void __psycho_check_one_stc(struct pci_controller_info *p, 268static void __psycho_check_one_stc(struct pci_pbm_info *pbm,
269 struct pci_pbm_info *pbm,
270 int is_pbm_a) 269 int is_pbm_a)
271{ 270{
271 struct pci_controller_info *p = pbm->parent;
272 struct strbuf *strbuf = &pbm->stc; 272 struct strbuf *strbuf = &pbm->stc;
273 unsigned long regbase = p->pbm_A.controller_regs; 273 unsigned long regbase = pbm->controller_regs;
274 unsigned long err_base, tag_base, line_base; 274 unsigned long err_base, tag_base, line_base;
275 u64 control; 275 u64 control;
276 int i; 276 int i;
@@ -362,20 +362,13 @@ static void __psycho_check_one_stc(struct pci_controller_info *p,
362 spin_unlock(&stc_buf_lock); 362 spin_unlock(&stc_buf_lock);
363} 363}
364 364
365static void __psycho_check_stc_error(struct pci_controller_info *p, 365static void __psycho_check_stc_error(struct pci_pbm_info *pbm,
366 unsigned long afsr, 366 unsigned long afsr,
367 unsigned long afar, 367 unsigned long afar,
368 enum psycho_error_type type) 368 enum psycho_error_type type)
369{ 369{
370 struct pci_pbm_info *pbm; 370 __psycho_check_one_stc(pbm,
371 371 (pbm == &pbm->parent->pbm_A));
372 pbm = &p->pbm_A;
373 if (pbm->stc.strbuf_enabled)
374 __psycho_check_one_stc(p, pbm, 1);
375
376 pbm = &p->pbm_B;
377 if (pbm->stc.strbuf_enabled)
378 __psycho_check_one_stc(p, pbm, 0);
379} 372}
380 373
381/* When an Uncorrectable Error or a PCI Error happens, we 374/* When an Uncorrectable Error or a PCI Error happens, we
@@ -413,12 +406,13 @@ static void __psycho_check_stc_error(struct pci_controller_info *p,
413#define PSYCHO_IOMMU_DATA_VALID (1UL << 30UL) 406#define PSYCHO_IOMMU_DATA_VALID (1UL << 30UL)
414#define PSYCHO_IOMMU_DATA_CACHE (1UL << 28UL) 407#define PSYCHO_IOMMU_DATA_CACHE (1UL << 28UL)
415#define PSYCHO_IOMMU_DATA_PPAGE 0xfffffffUL 408#define PSYCHO_IOMMU_DATA_PPAGE 0xfffffffUL
416static void psycho_check_iommu_error(struct pci_controller_info *p, 409static void psycho_check_iommu_error(struct pci_pbm_info *pbm,
417 unsigned long afsr, 410 unsigned long afsr,
418 unsigned long afar, 411 unsigned long afar,
419 enum psycho_error_type type) 412 enum psycho_error_type type)
420{ 413{
421 struct iommu *iommu = p->pbm_A.iommu; 414 struct pci_controller_info *p = pbm->parent;
415 struct iommu *iommu = pbm->iommu;
422 unsigned long iommu_tag[16]; 416 unsigned long iommu_tag[16];
423 unsigned long iommu_data[16]; 417 unsigned long iommu_data[16];
424 unsigned long flags; 418 unsigned long flags;
@@ -465,7 +459,7 @@ static void psycho_check_iommu_error(struct pci_controller_info *p,
465 psycho_write(iommu->iommu_control, 459 psycho_write(iommu->iommu_control,
466 control | PSYCHO_IOMMU_CTRL_DENAB); 460 control | PSYCHO_IOMMU_CTRL_DENAB);
467 for (i = 0; i < 16; i++) { 461 for (i = 0; i < 16; i++) {
468 unsigned long base = p->pbm_A.controller_regs; 462 unsigned long base = pbm->controller_regs;
469 463
470 iommu_tag[i] = 464 iommu_tag[i] =
471 psycho_read(base + PSYCHO_IOMMU_TAG + (i * 8UL)); 465 psycho_read(base + PSYCHO_IOMMU_TAG + (i * 8UL));
@@ -516,7 +510,7 @@ static void psycho_check_iommu_error(struct pci_controller_info *p,
516 (data & PSYCHO_IOMMU_DATA_PPAGE) << IOMMU_PAGE_SHIFT); 510 (data & PSYCHO_IOMMU_DATA_PPAGE) << IOMMU_PAGE_SHIFT);
517 } 511 }
518 } 512 }
519 __psycho_check_stc_error(p, afsr, afar, type); 513 __psycho_check_stc_error(pbm, afsr, afar, type);
520 spin_unlock_irqrestore(&iommu->lock, flags); 514 spin_unlock_irqrestore(&iommu->lock, flags);
521} 515}
522 516
@@ -541,9 +535,10 @@ static void psycho_check_iommu_error(struct pci_controller_info *p,
541 535
542static irqreturn_t psycho_ue_intr(int irq, void *dev_id) 536static irqreturn_t psycho_ue_intr(int irq, void *dev_id)
543{ 537{
544 struct pci_controller_info *p = dev_id; 538 struct pci_pbm_info *pbm = dev_id;
545 unsigned long afsr_reg = p->pbm_A.controller_regs + PSYCHO_UE_AFSR; 539 struct pci_controller_info *p = pbm->parent;
546 unsigned long afar_reg = p->pbm_A.controller_regs + PSYCHO_UE_AFAR; 540 unsigned long afsr_reg = pbm->controller_regs + PSYCHO_UE_AFSR;
541 unsigned long afar_reg = pbm->controller_regs + PSYCHO_UE_AFAR;
547 unsigned long afsr, afar, error_bits; 542 unsigned long afsr, afar, error_bits;
548 int reported; 543 int reported;
549 544
@@ -593,8 +588,9 @@ static irqreturn_t psycho_ue_intr(int irq, void *dev_id)
593 printk("(none)"); 588 printk("(none)");
594 printk("]\n"); 589 printk("]\n");
595 590
596 /* Interrogate IOMMU for error status. */ 591 /* Interrogate both IOMMUs for error status. */
597 psycho_check_iommu_error(p, afsr, afar, UE_ERR); 592 psycho_check_iommu_error(&p->pbm_A, afsr, afar, UE_ERR);
593 psycho_check_iommu_error(&p->pbm_B, afsr, afar, UE_ERR);
598 594
599 return IRQ_HANDLED; 595 return IRQ_HANDLED;
600} 596}
@@ -618,9 +614,10 @@ static irqreturn_t psycho_ue_intr(int irq, void *dev_id)
618 614
619static irqreturn_t psycho_ce_intr(int irq, void *dev_id) 615static irqreturn_t psycho_ce_intr(int irq, void *dev_id)
620{ 616{
621 struct pci_controller_info *p = dev_id; 617 struct pci_pbm_info *pbm = dev_id;
622 unsigned long afsr_reg = p->pbm_A.controller_regs + PSYCHO_CE_AFSR; 618 struct pci_controller_info *p = pbm->parent;
623 unsigned long afar_reg = p->pbm_A.controller_regs + PSYCHO_CE_AFAR; 619 unsigned long afsr_reg = pbm->controller_regs + PSYCHO_CE_AFSR;
620 unsigned long afar_reg = pbm->controller_regs + PSYCHO_CE_AFAR;
624 unsigned long afsr, afar, error_bits; 621 unsigned long afsr, afar, error_bits;
625 int reported; 622 int reported;
626 623
@@ -823,11 +820,11 @@ static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id)
823 * a bug in the IOMMU support code or a PCI device driver. 820 * a bug in the IOMMU support code or a PCI device driver.
824 */ 821 */
825 if (error_bits & (PSYCHO_PCIAFSR_PTA | PSYCHO_PCIAFSR_STA)) { 822 if (error_bits & (PSYCHO_PCIAFSR_PTA | PSYCHO_PCIAFSR_STA)) {
826 psycho_check_iommu_error(p, afsr, afar, PCI_ERR); 823 psycho_check_iommu_error(pbm, afsr, afar, PCI_ERR);
827 pci_scan_for_target_abort(p, pbm, pbm->pci_bus); 824 pci_scan_for_target_abort(pbm->parent, pbm, pbm->pci_bus);
828 } 825 }
829 if (error_bits & (PSYCHO_PCIAFSR_PMA | PSYCHO_PCIAFSR_SMA)) 826 if (error_bits & (PSYCHO_PCIAFSR_PMA | PSYCHO_PCIAFSR_SMA))
830 pci_scan_for_master_abort(p, pbm, pbm->pci_bus); 827 pci_scan_for_master_abort(pbm->parent, pbm, pbm->pci_bus);
831 828
832 /* For excessive retries, PSYCHO/PBM will abort the device 829 /* For excessive retries, PSYCHO/PBM will abort the device
833 * and there is no way to specifically check for excessive 830 * and there is no way to specifically check for excessive
@@ -837,7 +834,7 @@ static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id)
837 */ 834 */
838 835
839 if (error_bits & (PSYCHO_PCIAFSR_PPERR | PSYCHO_PCIAFSR_SPERR)) 836 if (error_bits & (PSYCHO_PCIAFSR_PPERR | PSYCHO_PCIAFSR_SPERR))
840 pci_scan_for_parity_error(p, pbm, pbm->pci_bus); 837 pci_scan_for_parity_error(pbm->parent, pbm, pbm->pci_bus);
841 838
842 return IRQ_HANDLED; 839 return IRQ_HANDLED;
843} 840}
@@ -847,34 +844,33 @@ static irqreturn_t psycho_pcierr_intr(int irq, void *dev_id)
847#define PSYCHO_ECCCTRL_EE 0x8000000000000000UL /* Enable ECC Checking */ 844#define PSYCHO_ECCCTRL_EE 0x8000000000000000UL /* Enable ECC Checking */
848#define PSYCHO_ECCCTRL_UE 0x4000000000000000UL /* Enable UE Interrupts */ 845#define PSYCHO_ECCCTRL_UE 0x4000000000000000UL /* Enable UE Interrupts */
849#define PSYCHO_ECCCTRL_CE 0x2000000000000000UL /* Enable CE INterrupts */ 846#define PSYCHO_ECCCTRL_CE 0x2000000000000000UL /* Enable CE INterrupts */
850static void psycho_register_error_handlers(struct pci_controller_info *p) 847static void psycho_register_error_handlers(struct pci_pbm_info *pbm)
851{ 848{
852 struct pci_pbm_info *pbm = &p->pbm_A; /* arbitrary */
853 struct of_device *op = of_find_device_by_node(pbm->prom_node); 849 struct of_device *op = of_find_device_by_node(pbm->prom_node);
854 unsigned long base = p->pbm_A.controller_regs; 850 unsigned long base = pbm->controller_regs;
855 u64 tmp; 851 u64 tmp;
856 852
857 if (!op) 853 if (!op)
858 return; 854 return;
859 855
860 /* Psycho interrupt property order is: 856 /* Psycho interrupt property order is:
861 * 0: PCIERR PBM B INO 857 * 0: PCIERR INO for this PBM
862 * 1: UE ERR 858 * 1: UE ERR
863 * 2: CE ERR 859 * 2: CE ERR
864 * 3: POWER FAIL 860 * 3: POWER FAIL
865 * 4: SPARE HARDWARE 861 * 4: SPARE HARDWARE
866 * 5: PCIERR PBM A INO 862 * 5: POWER MANAGEMENT
867 */ 863 */
868 864
869 if (op->num_irqs < 6) 865 if (op->num_irqs < 6)
870 return; 866 return;
871 867
872 request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED, "PSYCHO UE", p); 868 request_irq(op->irqs[1], psycho_ue_intr, 0,
873 request_irq(op->irqs[2], psycho_ce_intr, IRQF_SHARED, "PSYCHO CE", p); 869 "PSYCHO_UE", pbm);
874 request_irq(op->irqs[5], psycho_pcierr_intr, IRQF_SHARED, 870 request_irq(op->irqs[2], psycho_ce_intr, 0,
875 "PSYCHO PCIERR-A", &p->pbm_A); 871 "PSYCHO_CE", pbm);
876 request_irq(op->irqs[0], psycho_pcierr_intr, IRQF_SHARED, 872 request_irq(op->irqs[0], psycho_pcierr_intr, 0,
877 "PSYCHO PCIERR-B", &p->pbm_B); 873 "PSYCHO_PCIERR", pbm);
878 874
879 /* Enable UE and CE interrupts for controller. */ 875 /* Enable UE and CE interrupts for controller. */
880 psycho_write(base + PSYCHO_ECC_CTRL, 876 psycho_write(base + PSYCHO_ECC_CTRL,
@@ -918,25 +914,16 @@ static void pbm_config_busmastering(struct pci_pbm_info *pbm)
918 pci_config_write8(addr, 64); 914 pci_config_write8(addr, 64);
919} 915}
920 916
921static void pbm_scan_bus(struct pci_controller_info *p, 917static void psycho_scan_bus(struct pci_pbm_info *pbm)
922 struct pci_pbm_info *pbm)
923{ 918{
919 pbm_config_busmastering(pbm);
920 pbm->is_66mhz_capable = 0;
924 pbm->pci_bus = pci_scan_one_pbm(pbm); 921 pbm->pci_bus = pci_scan_one_pbm(pbm);
925}
926
927static void psycho_scan_bus(struct pci_controller_info *p)
928{
929 pbm_config_busmastering(&p->pbm_B);
930 p->pbm_B.is_66mhz_capable = 0;
931 pbm_config_busmastering(&p->pbm_A);
932 p->pbm_A.is_66mhz_capable = 1;
933 pbm_scan_bus(p, &p->pbm_B);
934 pbm_scan_bus(p, &p->pbm_A);
935 922
936 /* After the PCI bus scan is complete, we can register 923 /* After the PCI bus scan is complete, we can register
937 * the error interrupt handlers. 924 * the error interrupt handlers.
938 */ 925 */
939 psycho_register_error_handlers(p); 926 psycho_register_error_handlers(pbm);
940} 927}
941 928
942static void psycho_iommu_init(struct pci_controller_info *p) 929static void psycho_iommu_init(struct pci_controller_info *p)
@@ -1096,6 +1083,11 @@ static void psycho_pbm_init(struct pci_controller_info *p,
1096 else 1083 else
1097 pbm = &p->pbm_B; 1084 pbm = &p->pbm_B;
1098 1085
1086 pbm->next = pci_pbm_root;
1087 pci_pbm_root = pbm;
1088
1089 pbm->scan_bus = psycho_scan_bus;
1090
1099 pbm->chip_type = PBM_CHIP_TYPE_PSYCHO; 1091 pbm->chip_type = PBM_CHIP_TYPE_PSYCHO;
1100 pbm->chip_version = 0; 1092 pbm->chip_version = 0;
1101 prop = of_find_property(dp, "version#", NULL); 1093 prop = of_find_property(dp, "version#", NULL);
@@ -1127,6 +1119,7 @@ void psycho_init(struct device_node *dp, char *model_name)
1127{ 1119{
1128 struct linux_prom64_registers *pr_regs; 1120 struct linux_prom64_registers *pr_regs;
1129 struct pci_controller_info *p; 1121 struct pci_controller_info *p;
1122 struct pci_pbm_info *pbm;
1130 struct iommu *iommu; 1123 struct iommu *iommu;
1131 struct property *prop; 1124 struct property *prop;
1132 u32 upa_portid; 1125 u32 upa_portid;
@@ -1137,7 +1130,9 @@ void psycho_init(struct device_node *dp, char *model_name)
1137 if (prop) 1130 if (prop)
1138 upa_portid = *(u32 *) prop->value; 1131 upa_portid = *(u32 *) prop->value;
1139 1132
1140 for(p = pci_controller_root; p; p = p->next) { 1133 for (pbm = pci_pbm_root; pbm; pbm = pbm->next) {
1134 struct pci_controller_info *p = pbm->parent;
1135
1141 if (p->pbm_A.portid == upa_portid) { 1136 if (p->pbm_A.portid == upa_portid) {
1142 is_pbm_a = (p->pbm_A.prom_node == NULL); 1137 is_pbm_a = (p->pbm_A.prom_node == NULL);
1143 psycho_pbm_init(p, dp, is_pbm_a); 1138 psycho_pbm_init(p, dp, is_pbm_a);
@@ -1157,13 +1152,9 @@ void psycho_init(struct device_node *dp, char *model_name)
1157 } 1152 }
1158 p->pbm_A.iommu = p->pbm_B.iommu = iommu; 1153 p->pbm_A.iommu = p->pbm_B.iommu = iommu;
1159 1154
1160 p->next = pci_controller_root;
1161 pci_controller_root = p;
1162
1163 p->pbm_A.portid = upa_portid; 1155 p->pbm_A.portid = upa_portid;
1164 p->pbm_B.portid = upa_portid; 1156 p->pbm_B.portid = upa_portid;
1165 p->index = pci_num_controllers++; 1157 p->index = pci_num_controllers++;
1166 p->scan_bus = psycho_scan_bus;
1167 p->pci_ops = &psycho_ops; 1158 p->pci_ops = &psycho_ops;
1168 1159
1169 prop = of_find_property(dp, "reg", NULL); 1160 prop = of_find_property(dp, "reg", NULL);
diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index 9e706013d11a..024dbd8ad025 100644
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -825,9 +825,9 @@ static irqreturn_t sabre_pcierr_intr(int irq, void *dev_id)
825 return IRQ_HANDLED; 825 return IRQ_HANDLED;
826} 826}
827 827
828static void sabre_register_error_handlers(struct pci_controller_info *p) 828static void sabre_register_error_handlers(struct pci_pbm_info *pbm)
829{ 829{
830 struct pci_pbm_info *pbm = &p->pbm_A; /* arbitrary */ 830 struct pci_controller_info *p = pbm->parent;
831 struct device_node *dp = pbm->prom_node; 831 struct device_node *dp = pbm->prom_node;
832 struct of_device *op; 832 struct of_device *op;
833 unsigned long base = pbm->controller_regs; 833 unsigned long base = pbm->controller_regs;
@@ -858,22 +858,22 @@ static void sabre_register_error_handlers(struct pci_controller_info *p)
858 SABRE_UEAFSR_SDRD | SABRE_UEAFSR_SDWR | 858 SABRE_UEAFSR_SDRD | SABRE_UEAFSR_SDWR |
859 SABRE_UEAFSR_SDTE | SABRE_UEAFSR_PDTE)); 859 SABRE_UEAFSR_SDTE | SABRE_UEAFSR_PDTE));
860 860
861 request_irq(op->irqs[1], sabre_ue_intr, IRQF_SHARED, "SABRE UE", p); 861 request_irq(op->irqs[1], sabre_ue_intr, 0, "SABRE_UE", p);
862 862
863 sabre_write(base + SABRE_CE_AFSR, 863 sabre_write(base + SABRE_CE_AFSR,
864 (SABRE_CEAFSR_PDRD | SABRE_CEAFSR_PDWR | 864 (SABRE_CEAFSR_PDRD | SABRE_CEAFSR_PDWR |
865 SABRE_CEAFSR_SDRD | SABRE_CEAFSR_SDWR)); 865 SABRE_CEAFSR_SDRD | SABRE_CEAFSR_SDWR));
866 866
867 request_irq(op->irqs[2], sabre_ce_intr, IRQF_SHARED, "SABRE CE", p); 867 request_irq(op->irqs[2], sabre_ce_intr, 0, "SABRE_CE", p);
868 request_irq(op->irqs[0], sabre_pcierr_intr, IRQF_SHARED, 868 request_irq(op->irqs[0], sabre_pcierr_intr, 0,
869 "SABRE PCIERR", p); 869 "SABRE_PCIERR", p);
870 870
871 tmp = sabre_read(base + SABRE_PCICTRL); 871 tmp = sabre_read(base + SABRE_PCICTRL);
872 tmp |= SABRE_PCICTRL_ERREN; 872 tmp |= SABRE_PCICTRL_ERREN;
873 sabre_write(base + SABRE_PCICTRL, tmp); 873 sabre_write(base + SABRE_PCICTRL, tmp);
874} 874}
875 875
876static void apb_init(struct pci_controller_info *p, struct pci_bus *sabre_bus) 876static void apb_init(struct pci_bus *sabre_bus)
877{ 877{
878 struct pci_dev *pdev; 878 struct pci_dev *pdev;
879 879
@@ -909,7 +909,7 @@ static void apb_init(struct pci_controller_info *p, struct pci_bus *sabre_bus)
909 } 909 }
910} 910}
911 911
912static void sabre_scan_bus(struct pci_controller_info *p) 912static void sabre_scan_bus(struct pci_pbm_info *pbm)
913{ 913{
914 static int once; 914 static int once;
915 struct pci_bus *pbus; 915 struct pci_bus *pbus;
@@ -918,7 +918,7 @@ static void sabre_scan_bus(struct pci_controller_info *p)
918 * at 66Mhz, but the front side of APB runs at 33Mhz 918 * at 66Mhz, but the front side of APB runs at 33Mhz
919 * for both segments. 919 * for both segments.
920 */ 920 */
921 p->pbm_A.is_66mhz_capable = 0; 921 pbm->is_66mhz_capable = 0;
922 922
923 /* This driver has not been verified to handle 923 /* This driver has not been verified to handle
924 * multiple SABREs yet, so trap this. 924 * multiple SABREs yet, so trap this.
@@ -932,15 +932,15 @@ static void sabre_scan_bus(struct pci_controller_info *p)
932 } 932 }
933 once++; 933 once++;
934 934
935 pbus = pci_scan_one_pbm(&p->pbm_A); 935 pbus = pci_scan_one_pbm(pbm);
936 if (!pbus) 936 if (!pbus)
937 return; 937 return;
938 938
939 sabre_root_bus = pbus; 939 sabre_root_bus = pbus;
940 940
941 apb_init(p, pbus); 941 apb_init(pbus);
942 942
943 sabre_register_error_handlers(p); 943 sabre_register_error_handlers(pbm);
944} 944}
945 945
946static void sabre_iommu_init(struct pci_controller_info *p, 946static void sabre_iommu_init(struct pci_controller_info *p,
@@ -1003,6 +1003,8 @@ static void sabre_pbm_init(struct pci_controller_info *p, struct device_node *dp
1003 pbm->name = dp->full_name; 1003 pbm->name = dp->full_name;
1004 printk("%s: SABRE PCI Bus Module\n", pbm->name); 1004 printk("%s: SABRE PCI Bus Module\n", pbm->name);
1005 1005
1006 pbm->scan_bus = sabre_scan_bus;
1007
1006 pbm->chip_type = PBM_CHIP_TYPE_SABRE; 1008 pbm->chip_type = PBM_CHIP_TYPE_SABRE;
1007 pbm->parent = p; 1009 pbm->parent = p;
1008 pbm->prom_node = dp; 1010 pbm->prom_node = dp;
@@ -1055,12 +1057,11 @@ void sabre_init(struct device_node *dp, char *model_name)
1055 1057
1056 upa_portid = of_getintprop_default(dp, "upa-portid", 0xff); 1058 upa_portid = of_getintprop_default(dp, "upa-portid", 0xff);
1057 1059
1058 p->next = pci_controller_root; 1060 p->pbm_A.next = pci_pbm_root;
1059 pci_controller_root = p; 1061 pci_pbm_root = &p->pbm_A;
1060 1062
1061 p->pbm_A.portid = upa_portid; 1063 p->pbm_A.portid = upa_portid;
1062 p->index = pci_num_controllers++; 1064 p->index = pci_num_controllers++;
1063 p->scan_bus = sabre_scan_bus;
1064 p->pci_ops = &sabre_ops; 1065 p->pci_ops = &sabre_ops;
1065 1066
1066 /* 1067 /*
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index c0a6a3866e2f..4ebdcbd5262a 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -238,25 +238,6 @@ static unsigned long stc_line_buf[16];
238#define SCHIZO_PCIERR_B_INO 0x33 /* PBM B PCI bus error */ 238#define SCHIZO_PCIERR_B_INO 0x33 /* PBM B PCI bus error */
239#define SCHIZO_SERR_INO 0x34 /* Safari interface error */ 239#define SCHIZO_SERR_INO 0x34 /* Safari interface error */
240 240
241struct pci_pbm_info *pbm_for_ino(struct pci_controller_info *p, u32 ino)
242{
243 ino &= IMAP_INO;
244 if (p->pbm_A.ino_bitmap & (1UL << ino))
245 return &p->pbm_A;
246 if (p->pbm_B.ino_bitmap & (1UL << ino))
247 return &p->pbm_B;
248
249 printk("PCI%d: No ino_bitmap entry for ino[%x], bitmaps "
250 "PBM_A[%016lx] PBM_B[%016lx]",
251 p->index, ino,
252 p->pbm_A.ino_bitmap,
253 p->pbm_B.ino_bitmap);
254 printk("PCI%d: Using PBM_A, report this problem immediately.\n",
255 p->index);
256
257 return &p->pbm_A;
258}
259
260#define SCHIZO_STC_ERR 0xb800UL /* --> 0xba00 */ 241#define SCHIZO_STC_ERR 0xb800UL /* --> 0xba00 */
261#define SCHIZO_STC_TAG 0xba00UL /* --> 0xba80 */ 242#define SCHIZO_STC_TAG 0xba00UL /* --> 0xba80 */
262#define SCHIZO_STC_LINE 0xbb00UL /* --> 0xbb80 */ 243#define SCHIZO_STC_LINE 0xbb00UL /* --> 0xbb80 */
@@ -522,9 +503,10 @@ static void schizo_check_iommu_error(struct pci_controller_info *p,
522 503
523static irqreturn_t schizo_ue_intr(int irq, void *dev_id) 504static irqreturn_t schizo_ue_intr(int irq, void *dev_id)
524{ 505{
525 struct pci_controller_info *p = dev_id; 506 struct pci_pbm_info *pbm = dev_id;
526 unsigned long afsr_reg = p->pbm_B.controller_regs + SCHIZO_UE_AFSR; 507 struct pci_controller_info *p = pbm->parent;
527 unsigned long afar_reg = p->pbm_B.controller_regs + SCHIZO_UE_AFAR; 508 unsigned long afsr_reg = pbm->controller_regs + SCHIZO_UE_AFSR;
509 unsigned long afar_reg = pbm->controller_regs + SCHIZO_UE_AFAR;
528 unsigned long afsr, afar, error_bits; 510 unsigned long afsr, afar, error_bits;
529 int reported, limit; 511 int reported, limit;
530 512
@@ -610,9 +592,10 @@ static irqreturn_t schizo_ue_intr(int irq, void *dev_id)
610 592
611static irqreturn_t schizo_ce_intr(int irq, void *dev_id) 593static irqreturn_t schizo_ce_intr(int irq, void *dev_id)
612{ 594{
613 struct pci_controller_info *p = dev_id; 595 struct pci_pbm_info *pbm = dev_id;
614 unsigned long afsr_reg = p->pbm_B.controller_regs + SCHIZO_CE_AFSR; 596 struct pci_controller_info *p = pbm->parent;
615 unsigned long afar_reg = p->pbm_B.controller_regs + SCHIZO_CE_AFAR; 597 unsigned long afsr_reg = pbm->controller_regs + SCHIZO_CE_AFSR;
598 unsigned long afar_reg = pbm->controller_regs + SCHIZO_CE_AFAR;
616 unsigned long afsr, afar, error_bits; 599 unsigned long afsr, afar, error_bits;
617 int reported, limit; 600 int reported, limit;
618 601
@@ -940,11 +923,12 @@ static irqreturn_t schizo_pcierr_intr(int irq, void *dev_id)
940 */ 923 */
941static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id) 924static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id)
942{ 925{
943 struct pci_controller_info *p = dev_id; 926 struct pci_pbm_info *pbm = dev_id;
927 struct pci_controller_info *p = pbm->parent;
944 u64 errlog; 928 u64 errlog;
945 929
946 errlog = schizo_read(p->pbm_B.controller_regs + SCHIZO_SAFARI_ERRLOG); 930 errlog = schizo_read(pbm->controller_regs + SCHIZO_SAFARI_ERRLOG);
947 schizo_write(p->pbm_B.controller_regs + SCHIZO_SAFARI_ERRLOG, 931 schizo_write(pbm->controller_regs + SCHIZO_SAFARI_ERRLOG,
948 errlog & ~(SAFARI_ERRLOG_ERROUT)); 932 errlog & ~(SAFARI_ERRLOG_ERROUT));
949 933
950 if (!(errlog & BUS_ERROR_UNMAP)) { 934 if (!(errlog & BUS_ERROR_UNMAP)) {
@@ -972,6 +956,16 @@ static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id)
972#define SCHIZO_SAFARI_IRQCTRL 0x10010UL 956#define SCHIZO_SAFARI_IRQCTRL 0x10010UL
973#define SCHIZO_SAFIRQCTRL_EN 0x8000000000000000UL 957#define SCHIZO_SAFIRQCTRL_EN 0x8000000000000000UL
974 958
959static int pbm_routes_this_ino(struct pci_pbm_info *pbm, u32 ino)
960{
961 ino &= IMAP_INO;
962
963 if (pbm->ino_bitmap & (1UL << ino))
964 return 1;
965
966 return 0;
967}
968
975/* How the Tomatillo IRQs are routed around is pure guesswork here. 969/* How the Tomatillo IRQs are routed around is pure guesswork here.
976 * 970 *
977 * All the Tomatillo devices I see in prtconf dumps seem to have only 971 * All the Tomatillo devices I see in prtconf dumps seem to have only
@@ -986,10 +980,9 @@ static irqreturn_t schizo_safarierr_intr(int irq, void *dev_id)
986 * PCI bus units of the same Tomatillo. I still have not really 980 * PCI bus units of the same Tomatillo. I still have not really
987 * figured this out... 981 * figured this out...
988 */ 982 */
989static void tomatillo_register_error_handlers(struct pci_controller_info *p) 983static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm)
990{ 984{
991 struct pci_pbm_info *pbm; 985 struct of_device *op = of_find_device_by_node(pbm->prom_node);
992 struct of_device *op;
993 u64 tmp, err_mask, err_no_mask; 986 u64 tmp, err_mask, err_no_mask;
994 987
995 /* Tomatillo IRQ property layout is: 988 /* Tomatillo IRQ property layout is:
@@ -1000,44 +993,27 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
1000 * 4: POWER FAIL? 993 * 4: POWER FAIL?
1001 */ 994 */
1002 995
1003 pbm = pbm_for_ino(p, SCHIZO_UE_INO); 996 if (pbm_routes_this_ino(pbm, SCHIZO_UE_INO))
1004 op = of_find_device_by_node(pbm->prom_node); 997 request_irq(op->irqs[1], schizo_ue_intr, 0,
1005 if (op) 998 "TOMATILLO_UE", pbm);
1006 request_irq(op->irqs[1], schizo_ue_intr, IRQF_SHARED,
1007 "TOMATILLO_UE", p);
1008
1009 pbm = pbm_for_ino(p, SCHIZO_CE_INO);
1010 op = of_find_device_by_node(pbm->prom_node);
1011 if (op)
1012 request_irq(op->irqs[2], schizo_ce_intr, IRQF_SHARED,
1013 "TOMATILLO CE", p);
1014
1015 pbm = pbm_for_ino(p, SCHIZO_PCIERR_A_INO);
1016 op = of_find_device_by_node(pbm->prom_node);
1017 if (op)
1018 request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED,
1019 "TOMATILLO PCIERR-A", pbm);
1020
1021
1022 pbm = pbm_for_ino(p, SCHIZO_PCIERR_B_INO);
1023 op = of_find_device_by_node(pbm->prom_node);
1024 if (op)
1025 request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED,
1026 "TOMATILLO PCIERR-B", pbm);
1027
1028 pbm = pbm_for_ino(p, SCHIZO_SERR_INO);
1029 op = of_find_device_by_node(pbm->prom_node);
1030 if (op)
1031 request_irq(op->irqs[3], schizo_safarierr_intr, IRQF_SHARED,
1032 "TOMATILLO SERR", p);
1033 999
1034 /* Enable UE and CE interrupts for controller. */ 1000 if (pbm_routes_this_ino(pbm, SCHIZO_CE_INO))
1035 schizo_write(p->pbm_A.controller_regs + SCHIZO_ECC_CTRL, 1001 request_irq(op->irqs[2], schizo_ce_intr, 0,
1036 (SCHIZO_ECCCTRL_EE | 1002 "TOMATILLO_CE", pbm);
1037 SCHIZO_ECCCTRL_UE | 1003
1038 SCHIZO_ECCCTRL_CE)); 1004 if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_A_INO))
1005 request_irq(op->irqs[0], schizo_pcierr_intr, 0,
1006 "TOMATILLO_PCIERR", pbm);
1007 else if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_B_INO))
1008 request_irq(op->irqs[0], schizo_pcierr_intr, 0,
1009 "TOMATILLO_PCIERR", pbm);
1039 1010
1040 schizo_write(p->pbm_B.controller_regs + SCHIZO_ECC_CTRL, 1011 if (pbm_routes_this_ino(pbm, SCHIZO_SERR_INO))
1012 request_irq(op->irqs[3], schizo_safarierr_intr, 0,
1013 "TOMATILLO_SERR", pbm);
1014
1015 /* Enable UE and CE interrupts for controller. */
1016 schizo_write(pbm->controller_regs + SCHIZO_ECC_CTRL,
1041 (SCHIZO_ECCCTRL_EE | 1017 (SCHIZO_ECCCTRL_EE |
1042 SCHIZO_ECCCTRL_UE | 1018 SCHIZO_ECCCTRL_UE |
1043 SCHIZO_ECCCTRL_CE)); 1019 SCHIZO_ECCCTRL_CE));
@@ -1053,15 +1029,10 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
1053 1029
1054 err_no_mask = SCHIZO_PCICTRL_DTO_ERR; 1030 err_no_mask = SCHIZO_PCICTRL_DTO_ERR;
1055 1031
1056 tmp = schizo_read(p->pbm_A.pbm_regs + SCHIZO_PCI_CTRL); 1032 tmp = schizo_read(pbm->pbm_regs + SCHIZO_PCI_CTRL);
1057 tmp |= err_mask;
1058 tmp &= ~err_no_mask;
1059 schizo_write(p->pbm_A.pbm_regs + SCHIZO_PCI_CTRL, tmp);
1060
1061 tmp = schizo_read(p->pbm_B.pbm_regs + SCHIZO_PCI_CTRL);
1062 tmp |= err_mask; 1033 tmp |= err_mask;
1063 tmp &= ~err_no_mask; 1034 tmp &= ~err_no_mask;
1064 schizo_write(p->pbm_B.pbm_regs + SCHIZO_PCI_CTRL, tmp); 1035 schizo_write(pbm->pbm_regs + SCHIZO_PCI_CTRL, tmp);
1065 1036
1066 err_mask = (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA | 1037 err_mask = (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA |
1067 SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR | 1038 SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR |
@@ -1070,8 +1041,7 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
1070 SCHIZO_PCIAFSR_SRTRY | SCHIZO_PCIAFSR_SPERR | 1041 SCHIZO_PCIAFSR_SRTRY | SCHIZO_PCIAFSR_SPERR |
1071 SCHIZO_PCIAFSR_STTO); 1042 SCHIZO_PCIAFSR_STTO);
1072 1043
1073 schizo_write(p->pbm_A.pbm_regs + SCHIZO_PCI_AFSR, err_mask); 1044 schizo_write(pbm->pbm_regs + SCHIZO_PCI_AFSR, err_mask);
1074 schizo_write(p->pbm_B.pbm_regs + SCHIZO_PCI_AFSR, err_mask);
1075 1045
1076 err_mask = (BUS_ERROR_BADCMD | BUS_ERROR_SNOOP_GR | 1046 err_mask = (BUS_ERROR_BADCMD | BUS_ERROR_SNOOP_GR |
1077 BUS_ERROR_SNOOP_PCI | BUS_ERROR_SNOOP_RD | 1047 BUS_ERROR_SNOOP_PCI | BUS_ERROR_SNOOP_RD |
@@ -1083,21 +1053,16 @@ static void tomatillo_register_error_handlers(struct pci_controller_info *p)
1083 BUS_ERROR_APERR | BUS_ERROR_UNMAP | 1053 BUS_ERROR_APERR | BUS_ERROR_UNMAP |
1084 BUS_ERROR_BUSERR | BUS_ERROR_TIMEOUT); 1054 BUS_ERROR_BUSERR | BUS_ERROR_TIMEOUT);
1085 1055
1086 schizo_write(p->pbm_A.controller_regs + SCHIZO_SAFARI_ERRCTRL, 1056 schizo_write(pbm->controller_regs + SCHIZO_SAFARI_ERRCTRL,
1087 (SCHIZO_SAFERRCTRL_EN | err_mask));
1088 schizo_write(p->pbm_B.controller_regs + SCHIZO_SAFARI_ERRCTRL,
1089 (SCHIZO_SAFERRCTRL_EN | err_mask)); 1057 (SCHIZO_SAFERRCTRL_EN | err_mask));
1090 1058
1091 schizo_write(p->pbm_A.controller_regs + SCHIZO_SAFARI_IRQCTRL, 1059 schizo_write(pbm->controller_regs + SCHIZO_SAFARI_IRQCTRL,
1092 (SCHIZO_SAFIRQCTRL_EN | (BUS_ERROR_UNMAP)));
1093 schizo_write(p->pbm_B.controller_regs + SCHIZO_SAFARI_IRQCTRL,
1094 (SCHIZO_SAFIRQCTRL_EN | (BUS_ERROR_UNMAP))); 1060 (SCHIZO_SAFIRQCTRL_EN | (BUS_ERROR_UNMAP)));
1095} 1061}
1096 1062
1097static void schizo_register_error_handlers(struct pci_controller_info *p) 1063static void schizo_register_error_handlers(struct pci_pbm_info *pbm)
1098{ 1064{
1099 struct pci_pbm_info *pbm; 1065 struct of_device *op = of_find_device_by_node(pbm->prom_node);
1100 struct of_device *op;
1101 u64 tmp, err_mask, err_no_mask; 1066 u64 tmp, err_mask, err_no_mask;
1102 1067
1103 /* Schizo IRQ property layout is: 1068 /* Schizo IRQ property layout is:
@@ -1108,39 +1073,27 @@ static void schizo_register_error_handlers(struct pci_controller_info *p)
1108 * 4: POWER FAIL? 1073 * 4: POWER FAIL?
1109 */ 1074 */
1110 1075
1111 pbm = pbm_for_ino(p, SCHIZO_UE_INO); 1076 if (pbm_routes_this_ino(pbm, SCHIZO_UE_INO))
1112 op = of_find_device_by_node(pbm->prom_node); 1077 request_irq(op->irqs[1], schizo_ue_intr, 0,
1113 if (op) 1078 "SCHIZO_UE", pbm);
1114 request_irq(op->irqs[1], schizo_ue_intr, IRQF_SHARED, 1079
1115 "SCHIZO_UE", p); 1080 if (pbm_routes_this_ino(pbm, SCHIZO_CE_INO))
1116 1081 request_irq(op->irqs[2], schizo_ce_intr, 0,
1117 pbm = pbm_for_ino(p, SCHIZO_CE_INO); 1082 "SCHIZO_CE", pbm);
1118 op = of_find_device_by_node(pbm->prom_node); 1083
1119 if (op) 1084 if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_A_INO))
1120 request_irq(op->irqs[2], schizo_ce_intr, IRQF_SHARED, 1085 request_irq(op->irqs[0], schizo_pcierr_intr, 0,
1121 "SCHIZO CE", p); 1086 "SCHIZO_PCIERR", pbm);
1122 1087 else if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_B_INO))
1123 pbm = pbm_for_ino(p, SCHIZO_PCIERR_A_INO); 1088 request_irq(op->irqs[0], schizo_pcierr_intr, 0,
1124 op = of_find_device_by_node(pbm->prom_node); 1089 "SCHIZO_PCIERR", pbm);
1125 if (op) 1090
1126 request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED, 1091 if (pbm_routes_this_ino(pbm, SCHIZO_SERR_INO))
1127 "SCHIZO PCIERR-A", pbm); 1092 request_irq(op->irqs[3], schizo_safarierr_intr, 0,
1128 1093 "SCHIZO_SERR", pbm);
1129
1130 pbm = pbm_for_ino(p, SCHIZO_PCIERR_B_INO);
1131 op = of_find_device_by_node(pbm->prom_node);
1132 if (op)
1133 request_irq(op->irqs[0], schizo_pcierr_intr, IRQF_SHARED,
1134 "SCHIZO PCIERR-B", pbm);
1135
1136 pbm = pbm_for_ino(p, SCHIZO_SERR_INO);
1137 op = of_find_device_by_node(pbm->prom_node);
1138 if (op)
1139 request_irq(op->irqs[3], schizo_safarierr_intr, IRQF_SHARED,
1140 "SCHIZO SERR", p);
1141 1094
1142 /* Enable UE and CE interrupts for controller. */ 1095 /* Enable UE and CE interrupts for controller. */
1143 schizo_write(p->pbm_A.controller_regs + SCHIZO_ECC_CTRL, 1096 schizo_write(pbm->controller_regs + SCHIZO_ECC_CTRL,
1144 (SCHIZO_ECCCTRL_EE | 1097 (SCHIZO_ECCCTRL_EE |
1145 SCHIZO_ECCCTRL_UE | 1098 SCHIZO_ECCCTRL_UE |
1146 SCHIZO_ECCCTRL_CE)); 1099 SCHIZO_ECCCTRL_CE));
@@ -1159,25 +1112,12 @@ static void schizo_register_error_handlers(struct pci_controller_info *p)
1159 /* Enable PCI Error interrupts and clear error 1112 /* Enable PCI Error interrupts and clear error
1160 * bits for each PBM. 1113 * bits for each PBM.
1161 */ 1114 */
1162 tmp = schizo_read(p->pbm_A.pbm_regs + SCHIZO_PCI_CTRL); 1115 tmp = schizo_read(pbm->pbm_regs + SCHIZO_PCI_CTRL);
1163 tmp |= err_mask;
1164 tmp &= ~err_no_mask;
1165 schizo_write(p->pbm_A.pbm_regs + SCHIZO_PCI_CTRL, tmp);
1166
1167 schizo_write(p->pbm_A.pbm_regs + SCHIZO_PCI_AFSR,
1168 (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA |
1169 SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR |
1170 SCHIZO_PCIAFSR_PTTO | SCHIZO_PCIAFSR_PUNUS |
1171 SCHIZO_PCIAFSR_SMA | SCHIZO_PCIAFSR_STA |
1172 SCHIZO_PCIAFSR_SRTRY | SCHIZO_PCIAFSR_SPERR |
1173 SCHIZO_PCIAFSR_STTO | SCHIZO_PCIAFSR_SUNUS));
1174
1175 tmp = schizo_read(p->pbm_B.pbm_regs + SCHIZO_PCI_CTRL);
1176 tmp |= err_mask; 1116 tmp |= err_mask;
1177 tmp &= ~err_no_mask; 1117 tmp &= ~err_no_mask;
1178 schizo_write(p->pbm_B.pbm_regs + SCHIZO_PCI_CTRL, tmp); 1118 schizo_write(pbm->pbm_regs + SCHIZO_PCI_CTRL, tmp);
1179 1119
1180 schizo_write(p->pbm_B.pbm_regs + SCHIZO_PCI_AFSR, 1120 schizo_write(pbm->pbm_regs + SCHIZO_PCI_AFSR,
1181 (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA | 1121 (SCHIZO_PCIAFSR_PMA | SCHIZO_PCIAFSR_PTA |
1182 SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR | 1122 SCHIZO_PCIAFSR_PRTRY | SCHIZO_PCIAFSR_PPERR |
1183 SCHIZO_PCIAFSR_PTTO | SCHIZO_PCIAFSR_PUNUS | 1123 SCHIZO_PCIAFSR_PTTO | SCHIZO_PCIAFSR_PUNUS |
@@ -1210,11 +1150,8 @@ static void schizo_register_error_handlers(struct pci_controller_info *p)
1210 BUS_ERROR_CPU0PS | BUS_ERROR_CPU0PB); 1150 BUS_ERROR_CPU0PS | BUS_ERROR_CPU0PB);
1211#endif 1151#endif
1212 1152
1213 schizo_write(p->pbm_A.controller_regs + SCHIZO_SAFARI_ERRCTRL, 1153 schizo_write(pbm->controller_regs + SCHIZO_SAFARI_ERRCTRL,
1214 (SCHIZO_SAFERRCTRL_EN | err_mask)); 1154 (SCHIZO_SAFERRCTRL_EN | err_mask));
1215
1216 schizo_write(p->pbm_A.controller_regs + SCHIZO_SAFARI_IRQCTRL,
1217 (SCHIZO_SAFIRQCTRL_EN | (BUS_ERROR_UNMAP)));
1218} 1155}
1219 1156
1220static void pbm_config_busmastering(struct pci_pbm_info *pbm) 1157static void pbm_config_busmastering(struct pci_pbm_info *pbm)
@@ -1234,27 +1171,19 @@ static void pbm_config_busmastering(struct pci_pbm_info *pbm)
1234 pci_config_write8(addr, 64); 1171 pci_config_write8(addr, 64);
1235} 1172}
1236 1173
1237static void schizo_scan_bus(struct pci_controller_info *p) 1174static void schizo_scan_bus(struct pci_pbm_info *pbm)
1238{ 1175{
1239 pbm_config_busmastering(&p->pbm_B); 1176 pbm_config_busmastering(pbm);
1240 p->pbm_B.is_66mhz_capable = 1177 pbm->is_66mhz_capable =
1241 (of_find_property(p->pbm_B.prom_node, "66mhz-capable", NULL) 1178 (of_find_property(pbm->prom_node, "66mhz-capable", NULL)
1242 != NULL);
1243 pbm_config_busmastering(&p->pbm_A);
1244 p->pbm_A.is_66mhz_capable =
1245 (of_find_property(p->pbm_A.prom_node, "66mhz-capable", NULL)
1246 != NULL); 1179 != NULL);
1247 1180
1248 p->pbm_B.pci_bus = pci_scan_one_pbm(&p->pbm_B); 1181 pbm->pci_bus = pci_scan_one_pbm(pbm);
1249 p->pbm_A.pci_bus = pci_scan_one_pbm(&p->pbm_A);
1250 1182
1251 /* After the PCI bus scan is complete, we can register 1183 if (pbm->chip_type == PBM_CHIP_TYPE_TOMATILLO)
1252 * the error interrupt handlers. 1184 tomatillo_register_error_handlers(pbm);
1253 */
1254 if (p->pbm_B.chip_type == PBM_CHIP_TYPE_TOMATILLO)
1255 tomatillo_register_error_handlers(p);
1256 else 1185 else
1257 schizo_register_error_handlers(p); 1186 schizo_register_error_handlers(pbm);
1258} 1187}
1259 1188
1260#define SCHIZO_STRBUF_CONTROL (0x02800UL) 1189#define SCHIZO_STRBUF_CONTROL (0x02800UL)
@@ -1529,6 +1458,11 @@ static void schizo_pbm_init(struct pci_controller_info *p,
1529 else 1458 else
1530 pbm = &p->pbm_B; 1459 pbm = &p->pbm_B;
1531 1460
1461 pbm->next = pci_pbm_root;
1462 pci_pbm_root = pbm;
1463
1464 pbm->scan_bus = schizo_scan_bus;
1465
1532 pbm->portid = portid; 1466 pbm->portid = portid;
1533 pbm->parent = p; 1467 pbm->parent = p;
1534 pbm->prom_node = dp; 1468 pbm->prom_node = dp;
@@ -1572,23 +1506,15 @@ static inline int portid_compare(u32 x, u32 y, int chip_type)
1572static void __schizo_init(struct device_node *dp, char *model_name, int chip_type) 1506static void __schizo_init(struct device_node *dp, char *model_name, int chip_type)
1573{ 1507{
1574 struct pci_controller_info *p; 1508 struct pci_controller_info *p;
1509 struct pci_pbm_info *pbm;
1575 struct iommu *iommu; 1510 struct iommu *iommu;
1576 u32 portid; 1511 u32 portid;
1577 1512
1578 portid = of_getintprop_default(dp, "portid", 0xff); 1513 portid = of_getintprop_default(dp, "portid", 0xff);
1579 1514
1580 for (p = pci_controller_root; p; p = p->next) { 1515 for (pbm = pci_pbm_root; pbm; pbm = pbm->next) {
1581 struct pci_pbm_info *pbm;
1582
1583 if (p->pbm_A.prom_node && p->pbm_B.prom_node)
1584 continue;
1585
1586 pbm = (p->pbm_A.prom_node ?
1587 &p->pbm_A :
1588 &p->pbm_B);
1589
1590 if (portid_compare(pbm->portid, portid, chip_type)) { 1516 if (portid_compare(pbm->portid, portid, chip_type)) {
1591 schizo_pbm_init(p, dp, portid, chip_type); 1517 schizo_pbm_init(pbm->parent, dp, portid, chip_type);
1592 return; 1518 return;
1593 } 1519 }
1594 } 1520 }
@@ -1609,11 +1535,7 @@ static void __schizo_init(struct device_node *dp, char *model_name, int chip_typ
1609 1535
1610 p->pbm_B.iommu = iommu; 1536 p->pbm_B.iommu = iommu;
1611 1537
1612 p->next = pci_controller_root;
1613 pci_controller_root = p;
1614
1615 p->index = pci_num_controllers++; 1538 p->index = pci_num_controllers++;
1616 p->scan_bus = schizo_scan_bus;
1617 p->pci_ops = &schizo_ops; 1539 p->pci_ops = &schizo_ops;
1618 1540
1619 /* Like PSYCHO we have a 2GB aligned area for memory space. */ 1541 /* Like PSYCHO we have a 2GB aligned area for memory space. */
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 1491ba330583..0a101cb22320 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -677,29 +677,15 @@ static struct pci_ops pci_sun4v_ops = {
677}; 677};
678 678
679 679
680static void pbm_scan_bus(struct pci_controller_info *p, 680static void pci_sun4v_scan_bus(struct pci_pbm_info *pbm)
681 struct pci_pbm_info *pbm)
682{
683 pbm->pci_bus = pci_scan_one_pbm(pbm);
684}
685
686static void pci_sun4v_scan_bus(struct pci_controller_info *p)
687{ 681{
688 struct property *prop; 682 struct property *prop;
689 struct device_node *dp; 683 struct device_node *dp;
690 684
691 if ((dp = p->pbm_A.prom_node) != NULL) { 685 dp = pbm->prom_node;
692 prop = of_find_property(dp, "66mhz-capable", NULL); 686 prop = of_find_property(dp, "66mhz-capable", NULL);
693 p->pbm_A.is_66mhz_capable = (prop != NULL); 687 pbm->is_66mhz_capable = (prop != NULL);
694 688 pbm->pci_bus = pci_scan_one_pbm(pbm);
695 pbm_scan_bus(p, &p->pbm_A);
696 }
697 if ((dp = p->pbm_B.prom_node) != NULL) {
698 prop = of_find_property(dp, "66mhz-capable", NULL);
699 p->pbm_B.is_66mhz_capable = (prop != NULL);
700
701 pbm_scan_bus(p, &p->pbm_B);
702 }
703 689
704 /* XXX register error interrupt handlers XXX */ 690 /* XXX register error interrupt handlers XXX */
705} 691}
@@ -1246,6 +1232,11 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node
1246 else 1232 else
1247 pbm = &p->pbm_A; 1233 pbm = &p->pbm_A;
1248 1234
1235 pbm->next = pci_pbm_root;
1236 pci_pbm_root = pbm;
1237
1238 pbm->scan_bus = pci_sun4v_scan_bus;
1239
1249 pbm->parent = p; 1240 pbm->parent = p;
1250 pbm->prom_node = dp; 1241 pbm->prom_node = dp;
1251 1242
@@ -1265,6 +1256,7 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node
1265void sun4v_pci_init(struct device_node *dp, char *model_name) 1256void sun4v_pci_init(struct device_node *dp, char *model_name)
1266{ 1257{
1267 struct pci_controller_info *p; 1258 struct pci_controller_info *p;
1259 struct pci_pbm_info *pbm;
1268 struct iommu *iommu; 1260 struct iommu *iommu;
1269 struct property *prop; 1261 struct property *prop;
1270 struct linux_prom64_registers *regs; 1262 struct linux_prom64_registers *regs;
@@ -1276,18 +1268,9 @@ void sun4v_pci_init(struct device_node *dp, char *model_name)
1276 1268
1277 devhandle = (regs->phys_addr >> 32UL) & 0x0fffffff; 1269 devhandle = (regs->phys_addr >> 32UL) & 0x0fffffff;
1278 1270
1279 for (p = pci_controller_root; p; p = p->next) { 1271 for (pbm = pci_pbm_root; pbm; pbm = pbm->next) {
1280 struct pci_pbm_info *pbm;
1281
1282 if (p->pbm_A.prom_node && p->pbm_B.prom_node)
1283 continue;
1284
1285 pbm = (p->pbm_A.prom_node ?
1286 &p->pbm_A :
1287 &p->pbm_B);
1288
1289 if (pbm->devhandle == (devhandle ^ 0x40)) { 1272 if (pbm->devhandle == (devhandle ^ 0x40)) {
1290 pci_sun4v_pbm_init(p, dp, devhandle); 1273 pci_sun4v_pbm_init(pbm->parent, dp, devhandle);
1291 return; 1274 return;
1292 } 1275 }
1293 } 1276 }
@@ -1317,12 +1300,8 @@ void sun4v_pci_init(struct device_node *dp, char *model_name)
1317 1300
1318 p->pbm_B.iommu = iommu; 1301 p->pbm_B.iommu = iommu;
1319 1302
1320 p->next = pci_controller_root;
1321 pci_controller_root = p;
1322
1323 p->index = pci_num_controllers++; 1303 p->index = pci_num_controllers++;
1324 1304
1325 p->scan_bus = pci_sun4v_scan_bus;
1326#ifdef CONFIG_PCI_MSI 1305#ifdef CONFIG_PCI_MSI
1327 p->setup_msi_irq = pci_sun4v_setup_msi_irq; 1306 p->setup_msi_irq = pci_sun4v_setup_msi_irq;
1328 p->teardown_msi_irq = pci_sun4v_teardown_msi_irq; 1307 p->teardown_msi_irq = pci_sun4v_teardown_msi_irq;
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-30 07:06:52 -0500